EPA Method 525 - PAH Standard Back Catalog number: 19362 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended S-4286-20-IO Sulfur Standard 3 Compound Prod.no. CAS no. Purity Grav. conc.µg/ml Ethanethiol 0184,2 75-08-1 99 % 20 Ethylene sulfide 2139,2 420-12-2 98.7 % 20 Thiophene 0933,4 110-02-1 99.5 % 20Methyl disulfide 0195,2 624-92-0 99 % 20 2-Methylthiophene 0934,5 Price on request DF-2346-S 2,3,4,6-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 2034.12-50-NN 1,2,3,4-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request